Details

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BUY XC3S50A-4VQG100C https://www.utsource.net/itm/p/5396308.html
FPGA SPARTAN-3A 50K 100-VQFP

Parameter	Description
Device	XC3S50A-4VQG100C
Family	Spartan-3A
Package	VQG100 (14x14mm)
Speed Grade	-4 (Maximum Frequency: 286 MHz)
I/O Banks	16
Configuration Memory	2,736 bits
User I/Os	76
Internal Oscillator	No
Dedicated Clock Inputs	2
Dedicated JTAG Pins	4 (TCK, TMS, TDI, TDO)
Power Supply	VCCO: 1.2V to 3.3V, VCCAUX: 1.2V, VCCINT: 1.2V
Operating Temperature Range	-40°C to +85°C
Configuration Modes	Master, Slave, BPI, SPI, JTAG, Boundary Scan
Configuration File Size	1.9 Mbits
Configuration Time	< 10 ms ( typical )
Programming Method	In-System Programming (ISP) via JTAG or Boundary Scan
Special Features	DCM (Digital Clock Manager), Block RAM, Multipliers, Dedicated I/O Standards Support

Instructions for Use:

1. Power Supply Connections:

   • Connect VCCO to the appropriate voltage (1.2V to 3.3V) based on your I/O standard.
   • Connect VCCAUX to 1.2V.
   • Connect VCCINT to 1.2V.
   • Ensure all power supply pins have adequate decoupling capacitors close to the device.

2. Configuration:

   • Use the Xilinx ISE Design Suite to generate the configuration bitstream.
   • Program the device using JTAG, BPI, or SPI modes as per your design requirements.
   • For in-system programming, ensure the JTAG chain is correctly set up and the boundary scan is functional.

3. Clock Management:

   • Utilize the Digital Clock Manager (DCM) for clock synthesis and phase shifting.
   • Connect dedicated clock inputs to your external clock sources.

4. I/O Standards:

   • Configure I/O banks to support the required standards (e.g., LVCMOS, LVTTL, SSTL).
   • Refer to the Xilinx datasheets for specific I/O standard voltage levels and timing requirements.

5. Testing and Debugging:

   • Use JTAG for boundary scan testing and debugging.
   • Verify the configuration and functionality using test vectors and simulation models.

6. Thermal Considerations:

   • Ensure proper thermal management by providing adequate heat dissipation, especially for high-frequency applications.
   • Monitor the junction temperature to stay within the specified operating range.

7. Documentation:

   • Refer to the Xilinx Spartan-3A Data Sheet and User Guides for detailed information on device capabilities, pinout, and application notes.

(For reference only)